Where your pen pal?A. are fromB. do fromC. do comeD. is from

问题补充：

Where your pen pal?

A. are, from

B. do, from

C. do, come

D. is, from

答案：

A. are, from

B. do, from

C. do, come

(答案→)D. is, from

解析：be from 与come from 都可以，本题的主语为your pen pal为三单形式，故选be动词要用is，而动词要用三单形式，或借助于助动词does，故选D